Could you tell me how you would correctly say these sentences please?<br/><br/><i><b>- It would be more expensive/cost more if you called a cab.</b></i><br/><br/><i><b>- It really helps with keeping/helps me keep my balance.</b></i><br/><br/><i><b>- He comes from a rich family./He's of a rich family. (How would you say this?)</b></i><br/><br/><i><b>- If you don't count the wait/don't take into account the wait, the commute only takes 45 minutes.</b></i><br/><br/><span style="color:#0c0c0c;"><b><i>Thank you</i></b></span>